Home / 117,271.86-161,834.52-63,556.30

Finding the Fourth Proportional to 117,271.86, 161,834.52 and 63,556.30

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Solution

The fourth proportional to 117,271.86, 161,834.52 and 63,556.30 is: 87,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,271.86 : 161,834.52 = 63,556.30 : x
  2. Step 2: Convert to fraction form
    117,271.86/161,834.52 = 63,556.30/x
  3. Step 3: Cross multiply
    117,271.86x = 161,834.52 × 63,556.30
  4. Step 4: Simplify right side
    117,271.86x = 10,285,603,303.48
  5. Step 5: Solve for x
    x = 10,285,603,303.48/117,271.86
  6. Step 6: Final answer
    x = 87,707.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.